A type of film threading machine

Abstract

This invention relates to the field of mechanical manufacturing, specifically to a wire threading machine, comprising a left frame and a right frame, the left frame and the right frame being arranged adjacent to each other. A feeding device is provided on the left frame, and a conveying device is provided on the left side of the right frame. Several cutting structures and several threading units are provided on the right side of the conveying device on the right frame, and each threading unit is equipped with a lifting mechanism. Each cutting structure is located above the threading unit. The advantages of this invention are: the cutting structure can quickly and accurately position the wire for cutting, ensuring cutting accuracy and quality; the threading units automatically manipulate and process the profiles, greatly improving production efficiency and reducing the need for manual operation; the feeding structure uses a one-way bearing, so that the shaft cannot rotate when the clamping mechanism is working, making feeding easier and preventing slippage. During the retraction process, the shaft can rotate, making the retraction smoother and more stable.

Description

Technical Field

[0001] This invention relates to the field of mechanical manufacturing, specifically to a film threading machine. Background Technology

[0002] In the production of venetian blinds, each slat profile needs to be threaded between two wires, and then the wires are cut. Existing technologies have the following problems with the threading and cutting processes: low automation, requiring manual intervention; low efficiency, making it impossible to thread slats or cut wires in large batches; the threading and cutting processes cannot be automated simultaneously; furthermore, during threading, if the threading speed and wire feeding speed are inconsistent, the wires are prone to breakage or tangling, severely impacting production efficiency and increasing the risk of safety accidents; during cutting, the cutting efficiency is slow, wire positioning is inaccurate, and precision is low. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a more reliable threading machine with stable and smooth feeding, high degree of automation in threading, stable threading process, high wire cutting accuracy.

[0004] To achieve the above objectives, a threading machine is designed, comprising a left frame and a right frame, the left frame and the right frame being arranged adjacent to each other. A feeding device is provided on the left frame, and a conveying device is provided on the left side of the right frame. The machine is characterized in that the right side of the conveying device on the right frame has several cutting structures and several threading units. Each cutting structure includes an upper blade with a beveled surface at its front for guiding the wire. The upper blade has a first groove and a second groove on its side that mate with the wire. A lower blade is positioned below the upper blade, with a first cut and a second cut on its side. A first groove is provided at the front of the first cut, causing the first groove of the upper blade and the first groove of the lower blade to be initially misaligned. A second groove is provided at the front of the second cut, ensuring that the second groove of the upper blade and the second groove of the lower blade are always in a mating state. A base has a groove at its front end, within which the lower blade is located. A cutting rack is provided on the base, and its movement causes the base and the lower blade to move together. A spring groove is also provided on the base, containing an elastic body. The front end of the elastic body is connected to a first push block, and the rear end of the elastic body is connected to a second push block. The first push block is located behind the upper blade and is connected to a limiting block installed on the upper part of the upper blade. The second push block is connected to the base. Each threading unit is equipped with a lifting mechanism, which contains a vertically arranged threading rack. The threading rack is equipped with a bearing mechanism, which is used to support the profile conveyed by the conveying device. The threading drive device drives the threading rack to move up and down, thereby driving the bearing mechanism to move up and down. The lifting mechanism is also equipped with a cycloidal device and a... A vertically arranged slide rail is provided with a sliding block and a movable pulley. A fixed pulley is provided on one side of the slide rail. One end of the wire used for the profile to pass through passes around the fixed pulley and the movable pulley in sequence and then passes through the cycloidal wire device. Each cutting structure is located above the sliding block unit. A positioning device is also provided on the top of the right frame for positioning the wire. After one end of the wire is fixed to the fixed pulley, it passes around the fixed pulley and the movable pulley in sequence. After passing through the cycloidal wire device, the wire is placed on one side of the first and second slots of the upper blade. The other end of the wire is connected to the positioning device.

[0005] The present invention also has the following preferred technical solutions:

[0006] 1. A blade clamping plate is provided above the upper blade. A through groove is opened on the blade body of the upper blade. The blade clamping plate passes through the through groove of the upper blade with a stud and is connected to the lower blade. A protrusion is provided on the limiting block. The protrusion cooperates with the fixed limiting structure to limit the maximum stroke of the limiting block, the first push block and the upper blade. The limiting block is located behind the blade clamping plate. A spring shaft is provided in the spring groove of the base. A spring is sleeved on the outside of the spring shaft. The first push block and the second push block are L-shaped. One side of the L-shaped first push block is connected to the spring shaft, and the other side of the L-shaped first push block is located behind the upper blade and connected to the limiting block.

[0007] 2. The right frame is also provided with several pawl structures, each including a first blade support and a second blade support. The gap between the first and second blade supports is used for the profile to pass through. At least one side of each of the first and second blade supports has a pawl. The lower part of the pawl is connected to the first or second blade support via a pawl shaft. The outer side of the pawl is inclined, the top side is flat, and a compression spring is provided on the inner side of the pawl. The upward movement of the through-plate rack drives the bearing mechanism to move, thereby driving the profile upward. The profile moves upward, pushing the pawl's inclined surface. After the profile passes the pawl, the pawl compression spring resets the pawl, and the top surface of the pawl supports the profile. The cycloidal device has a trapezoidal guide groove that matches the shape of the wire. The fixed pulley is a wire-pushing wheel with several V-shaped grooves. The wire-pushing wheel is controlled by a motor, and its rotation drives the wire feeding. The moving pulley is a driven wheel used for tensioning the wire during the feeding process. The frame has a plate-threading shaft with several plate-threading gears that mesh with the plate-threading rack.

[0008] 3. The left frame is also equipped with a sheet feeding structure, which is located on the left side of the conveying device. The sheet feeding structure includes an upper sheet mechanism, which has mechanical components for supporting several stacked profiles and driving the stacked profiles to move up and down; a cylinder located above the upper sheet mechanism in the same direction as the profiles; and a clamping mechanism connected to the telescopic end of the cylinder, including: a first clamping device located on both sides of the profiles and equipped with several one-way bearings, and a second clamping device located relative to the first clamping device and also equipped with several one-way bearings, wherein all one-way bearings are connected to the sheet feeding shaft. The bottom shape of the feeding shaft is adapted to fit the side of a single profile. The one-way bearings on the first and second clamping devices are arranged in opposite directions so that when the clamping mechanism performs the feeding action, the one-way bearings on the first and second clamping devices are locked, thereby preventing the feeding shaft from rotating and relying on static friction with the profile to achieve translational feeding of the profile. During the return process of the clamping mechanism, the one-way bearings cause the feeding shaft to rotate, changing the contact state between the feeding shaft and the profile to rolling friction, thereby causing the clamping mechanism to disengage from the relevant profile. The feeding structure is located above the feeding device.

[0009] 4. The feeding structure further includes a conveying device, which is located at the end of the feeding structure and is used to receive single-piece profiles transported by the clamping mechanism; the telescopic end of the cylinder is connected to the clamping mechanism through an L-shaped connecting plate, and one side of the L-shaped connecting plate is connected to the feeding guide rail through a feeding slider. The feeding guide rail and the cylinder are both located on the left frame; the clamping mechanism is provided with a sliding groove, and a first adjusting block and a second adjusting block are provided in the sliding groove. The first adjusting block and the second adjusting block are respectively connected to the first clamping device and the second clamping device. Adjusting the distance between the first adjusting block and the second adjusting block adjusts the spacing between the first clamping device and the second clamping device; a connecting block is provided between the first clamping device and the second clamping device, and a pin connects the first clamping device, the connecting block and the second clamping device from the side; the entire feeding shaft or the lower part of the feeding shaft is made of elastic material.

[0010] Compared with the prior art, the advantages of this invention are:

[0011] The cutting structure of this invention, through the cooperation of the slot of the upper blade and the groove of the lower blade, can quickly and accurately position the wire for cutting, ensuring the accuracy and quality of the cutting; by driving the cutting shaft to rotate through the cutting drive device, the cutting process is automated, reducing the complexity and labor intensity of manual operation.

[0012] The threading unit of this invention automates the manipulation and processing of profiles, which will greatly improve production efficiency, reduce the need for manual operation, reduce the risk of manual operation, and improve work safety. The modular design of the threading unit allows for adjustable spacing, and the height of the fixed pulleys is adjustable for precise control, making it applicable to a wide range of situations and more flexible. The movable pulleys can ensure the tension of the wire while providing force relief, preventing wire breakage or tangling and ensuring the continuity of production.

[0013] The feeding structure of this invention utilizes a one-way bearing, which prevents the rotating shaft from rotating during the operation of the clamping mechanism, making feeding easier and preventing slippage. During the retraction process, the rotating shaft can rotate, making the retraction smoother and more stable, which is beneficial for high-intensity repetitive work. The rotating shaft engages with the edge of the profile, relying on its own elasticity to clamp the profile. It does not require an excessively large area to generate frictional contact with the profile, nor does it require a power source to drive the rotating shaft. Only a cylinder is needed to drive the clamping mechanism to complete the feeding, making the overall device smaller and reducing manufacturing costs. Attached Figure Description

[0014] Figure 1 This is an overall structural diagram of the cutting structure of the present invention;

[0015] Figure 2 For the enlargement of the present invention Figure 1 Structural diagram of some parts of the structure;

[0016] Figure 3This is an overall structural diagram of the cutting structure from another perspective of the present invention;

[0017] Figure 4 For the enlargement of the present invention Figure 3 Structural diagram of some parts of the structure;

[0018] Figure 5 This is a structural diagram of the individual cutting structure of the present invention;

[0019] Figure 6 For the present invention Figure 5 Other structural diagrams from different perspectives;

[0020] Figure 7 For the present invention Figure 5 Other structural diagrams from different perspectives;

[0021] Figure 8 For the present invention Figure 5 Other structural diagrams from different perspectives;

[0022] Figure 9 To conceal the invention Figure 7 Structural diagram after partial reconstruction;

[0023] Figure 10 This is a structural diagram of the upper blade of the present invention;

[0024] Figure 11 This is a structural diagram of the lower blade of the present invention;

[0025] Figure 12 This is a structural diagram of the base of the present invention;

[0026] Figure 13 This is a structural diagram of the limiting block of the present invention;

[0027] Figure 14 This is a structural diagram of the blade pressing sheet of the present invention;

[0028] Figure 15 This is a structural diagram of the upper and lower blades of the present invention during operation;

[0029] In the diagram: 1-1. Upper blade; 1-2. First groove; 1-3. Second groove; 1-4. Lower blade; 1-5. First cut; 1-6. Second cut; 1-7. First groove; 1-8. Second groove; 1-9. Base; 1-10. Groove; 1-11. Cutting rack; 1-12. Spring groove; 1-13. Elastic body; 1-14. First push block; 1-15. Second push block; 1- 16. Limiting block; 1-17. Blade pressing plate; 1-18. Through groove; 1-19. Protrusion; 1-20. Limiting structure; 1-21. Spring shaft; 1-22. Spring; 1-23. Cutting drive device; 1-24. Right frame; 1-25. Cutting gear; 1-26. Wire; 1-27. Cutting shaft; 1-28. Cutting slider; 1-29. Cutting guide rail; 1-30. Connecting plate.

[0030] Figure 16 This is an overall structural diagram of several threading units of the present invention;

[0031] Figure 17 This is an overall structural diagram of several threading units from another perspective of the present invention;

[0032] Figure 18 This is an overall front view of several threading units of the present invention;

[0033] Figure 19 This is a structural diagram of the present invention that retains only one suture unit;

[0034] Figure 20 For the present invention Figure 19 Enlarged structural diagram of part of the structure;

[0035] Figure 21 This is a structural diagram of the invention, showing only one stencil unit from another perspective.

[0036] Figure 22 For the present invention Figure 21 Enlarged structural diagram of part of the structure;

[0037] Figure 23 This is a structural diagram of a single suture unit of the present invention;

[0038] Figure 24 This is a structural diagram of a single stencil unit from another perspective of the present invention;

[0039] Figure 25 This is a structural diagram of the pawl structure of the present invention;

[0040] Figure 26 This is a structural diagram of the pawl structure from another perspective of the present invention;

[0041] Figure 27 This is a structural diagram of the pawl of the present invention;

[0042] Figure 28 This is a structural diagram of the hidden pawl structure and a single threading unit after wire insertion according to the present invention;

[0043] Figure 29 For the concealment of the present invention Figure 28 Structural diagram of the rear of the lifting mechanism housing;

[0044] Figure 30 For the present invention Figure 28 Another perspective on the structure;

[0045] Figure 31 For the present invention Figure 29 Another perspective on the structure;

[0046] Figure 32 For the present invention Figure 28 Another perspective on the structure;

[0047] Figure 33 For the present invention Figure 29 Another perspective on the structure;

[0048] Figure 34 This is a partial structural diagram of the lifting mechanism of the present invention;

[0049] Figure 35 For the concealment of the present invention Figure 34 Structural diagram of the rear of the lifting mechanism housing;

[0050] Figure 36 For the present invention Figure 34 Another perspective on the structure;

[0051] Figure 37 For the present invention Figure 35 Another perspective on the structure;

[0052] Figure 38 For the present invention Figure 34 Another perspective on the structure;

[0053] Figure 39 For the present invention Figure 35 Another perspective on the structure;

[0054] Figure 40 For the present invention Figure 34 Another perspective on the structure;

[0055] Figure 41 For the present invention Figure 35 Another perspective on the structure;

[0056] Figure 42 For the present invention Figure 34 Add the structural diagram of the wire threading unit;

[0057] Figure 43 For the present invention Figure 42 Enlarged structural diagram of part of the structure;

[0058] In the diagram: 2-1. Right frame; 2-2. Conveying device; 2-3. Threading unit; 2-4. Lifting mechanism; 2-5. Threading rack; 2-6. Bearing mechanism; 2-7. Profile; 2-8. Threading drive device; 2-9. Cycloidal device; 2-10. Slide rail; 2-11. Threading slider; 2-12. Moving pulley; 2-13. Fixed pulley; 2-14. Wire; 2-15. Pawl structure; 2-16. First blade support; 2-17. Second blade support; 2-18. Pawl; 2-19. Pawl shaft; 2-20. Compression spring; 2-21. Ladder guide groove; 2-22. V-groove; 2-23. Motor; 2-24. Threading shaft; 2-25. Threading gear; 2-26. Outer casing.

[0059] Figure 44 This is an overall structural diagram of the wafer feeding structure of the present invention;

[0060] Figure 45 For the present invention Figure 44 Enlarged structural diagram of the clamping mechanism;

[0061] Figure 46 This is an overall structural diagram of the wafer feeding structure from another perspective of the present invention;

[0062] Figure 47 For the present invention Figure 46 Enlarged structural diagram of the clamping mechanism;

[0063] Figure 48 This is a front view of the wafer feeding structure of the present invention;

[0064] Figure 49 This is a structural diagram of the concealed worktable, film loading mechanism, and film feeding structure of the conveyor wheel in this invention.

[0065] Figure 50 This is a structural diagram of the clamping mechanism of the present invention;

[0066] Figure 51 This is a structural diagram of the clamping mechanism of the present invention from another perspective;

[0067] Figure 52 This is a structural diagram of the clamping mechanism of the present invention from another perspective;

[0068] In the diagram: 3-1. Feeding device; 3-2. Cylinder; 3-3. Clamping mechanism; 3-4. First clamping device; 3-5. Second clamping device; 3-6. One-way bearing; 3-7. Feeding shaft; 3-8. Profile; 3-9. Conveying device; 3-10. L-shaped connecting plate; 3-11. Feeding slider; 3-12. Feeding guide rail; 3-13. Left frame; 3-14. Slide groove; 3-15. First adjusting block; 3-16. Second adjusting block; 3-17. Connecting block.

[0069] Figure 53 This is a perspective view of the feeding device of the present invention without the profile placed on it;

[0070] Figure 54 This is a perspective view of the lifting mechanism of the feeding device of the present invention;

[0071] Figure 55 This is an enlarged detail view of the first transverse support in the feeding device of the present invention;

[0072] Figure 56 This is an enlarged detail view of the second transverse support in the feeding device of the present invention;

[0073] Figure 57 This is a perspective view of the feeding device of the present invention from another direction when the profile is not placed on it;

[0074] Figure 58 This is an enlarged detail view of the feeding device tray and vertical support of the present invention;

[0075] Figure 59 This is a perspective view of the feeding device of the present invention after the profile has been placed.

[0076] Figure 60 This is a side view of the feeding device of the present invention after the profile has been placed.

[0077] In the diagram: 4-1. Tray; 4-2. Vertical support; 4-3. First horizontal support; 4-4. Second horizontal support; 4-5. First horizontal guide rail; 4-6. Second horizontal guide rail; 4-7. First cylinder; 4-8. Second cylinder; 4-9. First slider; 4-10. Second slider; 4-11. First cylinder connector; 4-12. Second cylinder connector; 4-13. First crossbeam; 4-14. Second crossbeam; 4-15. First support arm; 4-16. Second support arm; 4-17. Lifting motor; 4-18. Output shaft; 4-19. Lifting gear; 4-20. Feeding rack; 4-21. Lifting cylinder; 4-22. Vertical slider; 4-23. Lifting guide rail; 4-24. Hole; 4-25. Groove; 4-26. Boss; 4-27. Profile.

[0078] Figure 61 This is an overall structural diagram of the present invention;

[0079] In the diagram: 5-1. Left frame; 5-2. Right frame; 5-3. Feeding device; 5-4. Sheet feeding structure; 5-5. Conveying device; 5-6. Cutting structure; 5-7. Sheet threading unit; 5-8. Profile; 5-9. Wire. Detailed Implementation

[0080] The invention will be further described below with reference to the accompanying drawings. The structure and principle of the invention are very clear to those skilled in the art. It should be understood that the specific embodiments described herein are only for explaining the invention and are not intended to limit the invention.

[0081] like Figure 61 As shown, the threading machine of the present invention includes a left frame 5-1 and a right frame 5-2, which are arranged adjacent to each other. The left frame 5-1 is provided with a feeding device 5-3 and a sheet feeding structure 5-4, with the sheet feeding structure 5-4 located above the feeding device 5-3. The right frame 5-2 is provided with a conveying device 5-5, and to the right of the conveying device 5-5 are provided a plurality of cutting structures 5-6 and a plurality of threading units 5-7, with each cutting structure 5-6 located above a threading unit 5-7.

[0082] The working process of the threading machine of the present invention is as follows: the feeding device 5-3 is used to lift the stacked profiles 5-8 to below the feeding structure 5-4. After the feeding structure 5-4 grabs the profiles 5-8, it moves to the right and sends them to the conveying device 5-5. After the conveying device 5-5 captures the profiles 5-8, it sends the profiles 5-8 to several threading units 5-7. The threading units 5-7 thread the wires 5-9 onto the profiles 5-8. The cutting structure 5-6 cuts the wires 5-9, thereby completing all the work.

[0083] The specific structural features of the cut-out structure are as follows:

[0084] like Figure 1 , 2 As shown in Figures 3 and 4, several wire cutting structures are installed on the right frame 1-24. Each cutting structure is fitted onto a cutting shaft 1-27. Several cutting gears 1-25 are provided on the cutting shaft 1-27 to cooperate with the cutting structure. The cutting shaft 1-27 is driven by the cutting drive device 1-23.

[0085] like Figure 5 , 6As shown in Figures 7, 8, and 9, the cutting structure mainly includes an upper blade 1-1, a lower blade 1-4, a base 1-9, a blade pressing plate 1-17, a limiting structure 1-20, and a limiting block 1-16. A cutting rack 1-11 is located below the base 1-9, meshing with a cutting gear 1-25. A cutting guide rail 1-29 is also provided on one side of the base 1-9, connecting the base 1-9 to the cutting slider 1-28. The cutting slider 1-28 is fixed to a connecting plate 1-30, which also has the limiting structure 1-20 fixed on it. A cutting shaft 1-27 passes through the connecting plate 1-30 and connects to the cutting gear 1-25. The connecting plate 1-30 is fixed to the right frame 1-24.

[0086] like Figure 5 , 8 As shown in Figure 12, a groove 1-10 is provided at the front end of the base 1-9, and a spring groove 1-12 is also provided on the base. An elastic body 1-13 is provided in the spring groove 1-12. The elastic body 1-13 can be a spring 1-22. Specifically, a spring shaft 1-21 is provided in the spring groove 1-12, and the spring 1-22 is sleeved on the spring shaft 1-21. The front end of the spring 1-22 is connected to the first push block 1-14, and the rear end of the spring 1-22 is connected to the second push block 1-15. The first push block 1-14 and the second push block 1-15 are L-shaped.

[0087] like Figure 5 , 8 As shown in Figure 11, the lower blade 1-4 is disposed on the groove 1-10 in front of the base 1-9. The lower blade 1-4 is connected to the base 1-9. The side of the lower blade 1-4 is provided with a first cut 1-5 and a second cut 1-6. The front side of the first cut 1-5 is provided with a first groove 1-7, and the front side of the second cut 1-6 is provided with a long strip-shaped second groove 1-8.

[0088] like Figure 5 , 8 As shown in Figure 10, the upper blade 1-1 is positioned above the lower blade 1-4, and the front part is provided with a sloping surface for guiding the wire 1-26. The side of the upper blade 1-1 is provided with a first groove 1-2 and a second groove 1-3 that mate with the wire 1-26.

[0089] like Figure 5 , 8 As shown in Figures 10 and 14, a blade pressing plate 1-17 is provided above the upper blade 1-1. A through groove 1-18 is provided on the blade body of the upper blade 1-1. The blade pressing plate 1-17 is connected to the lower blade 1-4 after passing through the through groove 1-18 of the upper blade 1-1 through a stud.

[0090] like Figure 5 , 8As shown in Figure 13, one side of the L-shaped first push block 1-14 is connected to the spring shaft 1-21, and the other side of the L-shaped first push block 1-14 is located behind the upper blade 1-1 and connected to the limiting block 1-16. The second push block 1-15 is connected to the base 1-9. The limiting block 1-16 is located behind the blade pressing plate 1-17. The limiting block 1-16 is provided with a protrusion 1-19, which cooperates with the fixed limiting structure 1-20 to limit the maximum stroke of the limiting block 1-16, the first push block 1-14 and the upper blade 1-1.

[0091] like Figure 5 , 8 As shown in Figure 15, the first slot 1-2 of the upper blade 1-1 and the first groove 1-7 of the lower blade 1-4 are initially misaligned, while the second slot 1-3 of the upper blade 1-1 and the second groove 1-8 of the lower blade 1-4 are always in a mating state. The working process of this cutting structure is as follows: the cutting drive device 1-23 drives the cutting shaft 1-27 to rotate, thereby driving the cutting gear 1-25 to rotate. The rotation of the cutting gear 1-25 drives the cutting rack 1-11 to move forward, thus realizing the forward movement of the base 1-9. The base 1-9 drives the upper blade 1-1 and the lower blade 1-4 to move forward simultaneously. The two individual wires of the wire 1-26 are guided by the inclined surface of the upper blade 1-1 to the first slot 1-2 and the second slot 1-3, respectively. At this time, the two individual wires of the wire 1-26 are in the following state: Figure 15 As shown, the front wire is in the first slot 1-2, but not in the first groove 1-7, and the rear wire is in the second slot 1-3 and the second groove 1-8. At this time, the base 1-9 continues to move forward, and the protrusion 1-19 of the limiting block 1-16 is restricted by the limiting structure 1-20. The upper blade 1-1 stops moving. Since the upper blade 1-1 has a through groove 1-18, the base 1-9 can continue to drive the lower blade 1-4 and the blade pressure plate 1-17 to move forward in the through groove 1-18. At this time, the spring 1-22 is compressed from the second push block 1-15 to the first push block 1-14. The first cut 1-5 and the second cut 1-6 of the lower blade 1-4 move forward, thereby completing the cutting of the wire in the first slot 1-2 and the second slot 1-3.

[0092] The specific structural features of the transom unit are as follows:

[0093] like Figure 16-22 As shown, the conveying device 2-2 is located at the front end of several threading units 2-3. Several threading units 2-3 are installed at intervals on the guide rails on the right frame 2-1. The interval between the threading units 2-3 can be adjusted by the guide rails.

[0094] like Figure 23 , 24As shown, each threading unit 2-3 is equipped with a lifting mechanism 2-4. The lifting mechanism 2-4 contains a vertically arranged threading rack 2-5. The threading rack 2-5 has a supporting mechanism 2-6, which supports the profile 2-7 conveyed by the conveying device 2-2. The threading drive device 2-8 drives the threading rack 2-5 to move up and down, thereby driving the supporting mechanism 2-6 to move up and down. The top of the threading unit 2-3 is equipped with a pawl structure 2-15, which includes a first blade support 2-16 and a second blade support 2-17. The gap between the first blade support 2-16 and the second blade support 2-17 is used for threading the profile 2-7. Pawls 2-18 are located on the inner sides of the first blade support 2-16 and the second blade support 2-17.

[0095] like Figure 25-27 As shown, the lower part of the pawl 2-18 is connected to the first blade support 2-16 or the second blade support 2-17 via the pawl shaft 2-19. The outer side of the pawl 2-18 is a slope, and the top side is a flat surface. A compression spring 2-20 is provided on the inner side of the pawl 2-18. When the bearing mechanism 2-6 drives the profile 2-7 upwards, the upward movement of the profile 2-7 pushes the slope of the pawl 2-18. After the profile 2-7 passes over the pawl 2-18, the compression spring 2-20 of the pawl 2-18 resets the pawl 2-18, and the top surface of the pawl 2-18 supports the profile 2-7.

[0096] like Figure 28-33As shown, the lifting mechanism 2-4 is also equipped with a cycloidal device 2-9 and a vertically arranged slide rail 2-10. The outer shell 2-26 of the lifting mechanism 2-4 serves as a support, bearing the relevant structures on the threading unit 2-3, and is connected to the guide rail on the right frame 2-1. The slide rail 2-10 is equipped with a threading slider 2-11 and a movable pulley 2-12. The movable pulley 2-12 can move freely on the slide rail 2-10 without restriction. The back side of the threading rack 2-5 is also connected to a slide rail, which is also connected to a fixed pulley 2-13 via a slider. Although the fixed pulley 2-13 is on the slide rail, it is fixed and can only be adjusted in height when needed. Fixed pulley 2-13 is located above movable pulley 2-12. Fixed pulley 2-13 and movable pulley 2-12 are used for one end of wire 2-14 through which profile 2-7 passes, passing successively around fixed pulley 2-13 and movable pulley 2-12 before passing through cycloidal wire device 2-9. Fixed pulley 2-13 is a wire guide wheel, which has several V-shaped grooves 2-22. The wire guide wheel is controlled by motor 2-23, and its rotation drives the wire to be fed. The movable pulley 2-12 is a driven pulley used for tensioning the wire 2-14 during the wire feeding process. For example, when the lifting mechanism 2-4 rises too quickly, the wire exit speed of the fixed pulley 2-13 is slower than the rising speed of the lifting mechanism 2-4. The movable pulley 2-12 will be lifted by the lifting mechanism 2-4 through the wire 2-14 to prevent the wire 2-14 from breaking. When the lifting mechanism 2-4 rises too slowly, the wire exit speed of the fixed pulley 2-13 is faster than the rising speed of the lifting mechanism 2-4. The movable pulley 2-12 will drop due to its own weight to tension the wire 2-14.

[0097] like Figure 16 , 17 As shown in Figure 18, the right frame 2-1 is provided with a threading shaft 2-24, and the threading shaft 2-24 is provided with several threading gears 2-25. The threading gears 2-25 mesh with the threading racks 2-5 on several threading units 2-3. The threading shaft 2-24 is driven to rotate by the threading drive device 2-8, which in turn drives each threading gear 2-25 to rotate, thereby driving the threading racks 2-5 of each threading unit 2-3 to move up and down, thereby realizing the up and down movement of the bearing mechanism 2-6 on each threading unit 2-3.

[0098] like Figures 34-43 As shown, the cycloidal device 2-9 has a trapezoidal guide groove 2-21 that matches the shape of the wire 2-14. The upper part of the cycloidal device 2-9 is also provided with a positioning device for positioning the wire 2-14.

[0099] The threading unit can thread the wire 2-14 onto the profile 2-7 delivered by the conveying device 2-2, and lift it into the pawl structure 2-15 while simultaneously cutting the wire 2-14 with the cutting structure.

[0100] The specific features of the wafer feeding structure are as follows: Figure 44 , 46 As shown in Figure 48, the feeding structure for profile processing of the present invention includes a feeding device 3-1, a cylinder 3-2, a clamping mechanism 3-3, a left frame 3-13, and a conveying device 3-9. The conveying device 3-9 is not installed on the left frame 3-13, but on another right frame adjacent to the left frame 3-13 (the right frame is not shown in the pictures involving the conveying device 3-9).

[0101] like Figure 44 , 45 As shown in Figures 46, 47, and 48, the feeding device 3-1 is located in the lower middle part of the left frame 3-13. The feeding device 3-1 is equipped with mechanical components for supporting several stacked profiles 3-8 (only one is shown in the figure) and driving the stacked profiles to move up and down. A cylinder 3-2 is located at the top of the left frame 3-13, above the feeding device 3-1, and the working direction of the cylinder 3-2 is the same as the moving direction of the profiles 3-8. Figure 45 , 47 As shown in Figure 49, the telescopic end of cylinder 3-2 is connected to clamping mechanism 3-3 through L-shaped connecting plate 3-10. One side of L-shaped connecting plate 3-10 is connected to feeding guide rail 3-12 mounted on left frame 3-13 through slider 3-11.

[0102] like Figure 49 , 50 As shown in Figures 51 and 52, the clamping mechanism 3-3 is connected to the telescopic end of the cylinder 3-2 via an L-shaped connecting plate 3-10. The clamping mechanism 3-3 includes a first clamping device 3-4 and a second clamping device 3-5 respectively disposed on both sides of the profile 3-8. A connecting block 3-17 is provided between the first clamping device 3-4 and the second clamping device 3-5. The first clamping device 3-4, the connecting block 3-17, and the second clamping device 3-5 can be connected from the side via a pin. The top of the first clamping device 3-4 is connected to the first adjusting block 3-15, and the top of the second clamping device 3-5 is connected to the second adjusting block 3-16. The first adjusting block 3-15 and the second adjusting block 3-16 are installed in the sliding groove 3-14 within the clamping mechanism 3-3. Adjusting the distance between the first adjusting block 3-15 and the second adjusting block 3-16 can adjust the spacing between the first clamping device 3-4 and the second clamping device 3-5.

[0103] Both the first clamping device 3-4 and the second clamping device 3-5 are equipped with one-way bearings 3-6, which are arranged in opposite directions. A feeding shaft 3-7 is also provided at the bottom of both the first clamping device 3-4 and the second clamping device 3-5, and is connected to the one-way bearings 3-6. The feeding shaft 3-7 is made of elastic material, and its bottom shape is adapted to the side of the single-piece profile 3-8. A conveying device 3-9 is located at the end of the feeding structure and is used to receive the single-piece profile 3-8 conveyed by the clamping mechanism 3-3.

[0104] The working principle and method of the feeding structure for profile processing of the present invention are as follows: The feeding device 3-1 moves upward through mechanical components, feeding the profile 3-8 to below the first clamping device 3-4 and the second clamping device 3-5 of the clamping mechanism 3-3. Due to the elasticity of the feeding shaft 3-7, the profile 3-8 can be inserted into the feeding shaft 3-7 of the first clamping device 3-4 and the second clamping device 3-5 and clamped by the clamping mechanism 3-3. The cylinder 3-2 operates, moving the profile 3-8 below the clamping mechanism 3-3 to the conveying device 3-9. Because of the one-way... The bearings 3-6 are arranged in opposite directions, so that when the clamping mechanism 3-3 performs the feeding action, the one-way bearings 3-6 on the first clamping device 3-4 and the second clamping device 3-5 are both in a locked state. This causes the feeding shaft 3-7 to not rotate and to rely on the static friction with the profile 3-8 to achieve the translation and feeding of the profile. During the return process of the clamping mechanism 3-3, the conveying device 3-9 works. With its greater friction, the one-way bearing 3-6 causes the feeding shaft 3-7 to rotate, changing the contact state between the feeding shaft 3-7 and the profile 3-8 to rolling friction, thereby causing the clamping mechanism 3-3 to disengage from the relevant profile 3-8.

[0105] The specific structural features of the feeding device are as follows:

[0106] like Figures 53-55As shown, the feeding device is located in the main body of the left frame and includes a tray 4-1 and several vertical supports 4-2. The tray 4-1 is horizontally mounted on the vertical supports 4-2. Vertically placed feeding racks 4-20 and lifting guide rails 4-23 are located at both ends of the tray 4-1. Vertical sliders 4-22 are located at both ends of the first horizontal support 4-3 and the second horizontal support 4-4, respectively. The vertical sliders 4-22 cooperate with the lifting guide rails 4-23 to restrict the vertical movement freedom of the first horizontal support 4-3 and the second horizontal support 4-4. The first horizontal support 4-3 is located above the second horizontal support 4-4. Several first horizontal guide rails 4-5 are located on the first horizontal support 4-3, and first sliders 4-9 are located on the first horizontal guide rails 4-5. Several first cylinders 4-7 are also located on the first horizontal support 4-3, and first cylinder connectors 4-11 are located on the first cylinders 4-7. The first slider 4-9 and the first cylinder connector 4-11 are both bolted to the first crossbeam 4-13. Several first support arms 4-15 are also mounted on the first crossbeam 4-13. A lifting motor 4-17 is mounted at the lower end of the first transverse support 4-3, and the lifting motor 4-17 is connected to the first transverse support 4-3 via a fixing frame. The output shaft 4-18 of the lifting motor 4-17 extends to the feeding racks 4-20 on both sides. Lifting gears 4-19 are mounted at both ends of the output shaft 4-18, and the lifting gears 4-19 mesh with the feeding racks 4-20 respectively. The operation of the lifting motor 4-17 can drive the first support arms 4-15 to move up and down along the lifting guide rail 4-23, and the first cylinder 4-7 can drive the first support arms 4-15 to move laterally along the first transverse guide rail 4-5.

[0107] like Figure 56 As shown, the second transverse support 4-4 is provided with several second transverse guide rails 4-6, and the second transverse guide rails 4-6 are provided with corresponding second sliders 4-10. The second transverse support 4-4 is also provided with several second cylinders 4-8, and the second cylinders 4-8 are provided with second cylinder connectors 4-12. The second sliders 4-10 and the second cylinder connectors 4-12 are both fixed to the second crossbeam 4-14 by bolts. The second crossbeam 4-14 is also provided with several second support arms 4-16. The lower end of the second transverse support 4-4 is also provided with a lifting cylinder 4-21, which can drive the second support arms 4-16 to move up and down along the lifting guide rails 4-23, and the second cylinders 4-8 can drive the second support arms 4-16 to move laterally along the second transverse guide rails 4-6.

[0108] like Figures 57-58 As shown, the tray 4-1 has several holes 4-24, and the vertical support 4-2 has several slots 4-25. (As...) Figures 59-60As shown, profile 4-27 is placed on tray 4-1. The hole 4-24 and slot 4-25 on the tray mate with the positions of the first arm 4-15 and the second arm 4-16. The second arm 4-16 has a boss 4-26. After the first arm 4-15 and the second arm 4-16 pass through the slot 4-25, they mate with the opening 4-24 on the tray. At this time, the first arm 4-15 is above the second arm 4-16 and is located on the side of the second arm 4-16 that is not covered by the boss 4-26.

[0109] like Figures 59-60 As shown, the steps for the feeding structure to grip the profile 4-27 on the outside of the pallet 4-1 are as follows: S1. The second cylinder 4-8 on the second transverse support 4-4 retracts, causing the second cylinder connector 4-12 on the second transverse support 4-4 to move closer to the pallet 4-1, thereby causing the second arm 4-16 on the second beam 4-14 to move outward from the pallet 4-1; S2. The lifting cylinder 4-21 lifts, causing the second arm 4-16 to lift the profile 4-27, disengaging the profile 4-27 from the pallet 4-1. The second cylinder 4-8 on the second transverse support 4-4 pushes horizontally, causing the second cylinder connector 4-12 on the second transverse support 4-4 to move away from the pallet 4-1, thereby causing the second arm 4-16 on the second beam 4-14 to move inward from the pallet 4-1. S3. After the profile 4-27 is lifted, it moves to the inside of the tray 4-1; S4. The lifting cylinder 4-21 descends, the second arm 4-16 places the profile 4-27 inside the tray 4-1, then the second cylinder 4-8 on the second transverse support 4-4 retracts, and the second arm 4-16 moves to the outside of the tray 4-1, reserving working space for the first arm 4-15; S5. The first cylinder 4-7 on the first transverse support 4-3 retracts, driving the first cylinder connector 4-11 on the first transverse support 4-3 to approach the tray 4-1, thereby driving the first arm 4-15 on the first crossbeam 4-13 to move to the outside of the tray 4-1; S6. The lifting motor 4-17 works, driving the lifting gear 4-19 to drive the first arm 4-15 to lift the profile 4-27 to the upper end of the vertical support 4-2, so that the feeding structure can grab the profile 4-27.

[0110] The above description is merely a specific embodiment of the invention, but the scope of protection of the invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the invention, based on the technical solutions and novel concepts of the invention, should be covered within the scope of protection of the invention.

Claims

1. A threading machine, comprising a left frame and a right frame, wherein the left frame and the right frame are arranged adjacent to each other, a feeding device is provided in the lower middle part of the left frame, the feeding device is provided with mechanical components for carrying a plurality of stacked profiles and driving the stacked profiles to move up and down, and a conveying device is provided on the left side of the right frame, characterized in that, The right side of the conveying device on the right frame is provided with several cutting structures and several threading units. Each cutting structure is located above the threading unit. Each cutting structure includes an upper blade, a lower blade, and a base. The upper blade has a beveled surface at its front to guide the wire. The side of the upper blade has a first groove and a second groove that mate with the wire. The lower blade is located below the upper blade. The side of the lower blade has a first cut and a second cut. The front of the first cut has a first groove, so that the first groove of the upper blade and the first groove of the lower blade are initially misaligned. The front of the second cut has a long strip-shaped second groove, so that the second groove of the upper blade and the second groove of the lower blade are always in a mating state. The front end of the base has a groove, and the lower blade is placed in the groove. The base is provided with a cutting rack. The movement of the cutting rack drives the base and the lower blade to move together. The base is also provided with a spring groove, and an elastic body is placed in the spring groove. The front end of the elastic body is connected to a first push block. The rear end of the body is connected to a second push block. The first push block is located behind the upper blade and is connected to a limiting block installed on the upper part of the upper blade. The second push block is connected to the base. Each of the threading units is provided with a lifting mechanism. The lifting mechanism is provided with a vertically arranged threading rack. The threading rack is provided with a carrying mechanism. The carrying mechanism is used to carry the profile conveyed by the conveying device. The threading drive device drives the threading rack to move up and down, thereby driving the carrying mechanism to move up and down. The lifting mechanism is also provided with a cycloidal device and a vertically arranged slide rail. The slide rail is provided with a threading slider and a movable pulley. The back side of the threading rack is also connected to a slide rail. A certain pulley is connected to the slide rail through the slider. One end of the wire for the profile to pass through passes through the fixed pulley and the movable pulley in sequence and then passes through the cycloidal device. The top of the right frame is also provided with a positioning device for positioning the wire. After the wire passes through the cycloidal device, it is placed on one side of the first slot and the second slot of the upper blade. The other end of the wire is connected to the positioning device.

2. The threading machine as described in claim 1, characterized in that, A blade clamping plate is provided above the upper blade. A through groove is opened on the blade body of the upper blade. The blade clamping plate is connected to the lower blade after passing through the through groove of the upper blade through a stud. A protrusion is provided on the limiting block. The protrusion cooperates with the fixed limiting structure to limit the maximum stroke of the limiting block, the first push block and the upper blade. The limiting block is located behind the blade clamping plate. A spring shaft is provided in the spring groove of the base. A spring is sleeved on the outside of the spring shaft. The first push block and the second push block are L-shaped. One side of the L-shaped first push block is connected to the spring shaft, and the other side of the L-shaped first push block is located behind the upper blade and connected to the limiting block.

3. A stencil threading machine as described in claim 1, characterized in that, The right frame is also equipped with several pawl structures, each including a first blade support and a second blade support. A gap between the first and second blade supports allows the profile to pass through. At least one side of each blade support has a pawl. The lower part of the pawl is connected to either the first or second blade support via a pawl shaft. The outer side of the pawl is inclined, the top side is flat, and a compression spring is located on the inner side. The upward movement of the through-plate rack drives the load-bearing mechanism, which in turn drives the profile upward. The profile moves upward, pushing the pawl's inclined surface. After the profile passes the pawl, the pawl compression spring resets the pawl, and the top surface of the pawl supports the profile. The cycloidal device has a trapezoidal guide groove that matches the shape of the wire. The fixed pulley is a wire-pulling wheel with several V-shaped grooves. The wire-pulling wheel is controlled by a motor, and its rotation drives the wire feeding. The movable pulley is a driven wheel used for tensioning the wire during the feeding process. The right frame has a plate-threading shaft with several plate-threading gears that mesh with the plate-threading rack.

4. A stencil threading machine as described in claim 1, characterized in that, The left frame is also equipped with a feeding structure, which is located on the left side of the conveying device. The feeding structure includes a cylinder and a clamping mechanism. The cylinder is located above the feeding device, and its working direction is the same as the profile's moving direction. The clamping mechanism is connected to the telescopic end of the cylinder and includes: a first clamping device located on both sides of the profile and equipped with several one-way bearings; and a second clamping device, also equipped with several one-way bearings, located opposite the first clamping device. Each one-way bearing is connected to a feeding shaft, and the bottom shape of the feeding shaft is [details omitted]. On the side of the single-piece profile, the one-way bearings on the first and second clamping devices are arranged in opposite directions so that when the clamping mechanism performs the feeding action, the one-way bearings on the first and second clamping devices are both locked, thereby preventing the feeding shaft from rotating and relying on static friction with the profile to achieve translational feeding of the profile; during the return process of the clamping mechanism, the one-way bearings cause the feeding shaft to rotate, changing the contact state between the feeding shaft and the profile to rolling friction, thereby causing the clamping mechanism to disengage from the relevant profile; the feeding structure is located above the feeding device.

5. A stencil threader as described in claim 4, characterized in that, The conveying device is located at the end of the sheet feeding structure and is used to receive the single sheet profile transported by the clamping mechanism. The telescopic end of the cylinder is connected to the clamping mechanism through an L-shaped connecting plate. One side of the L-shaped connecting plate is connected to the sheet feeding guide rail through a sheet feeding slider. Both the sheet feeding guide rail and the cylinder are located on the left frame. The clamping mechanism is provided with a sliding groove, in which a first adjusting block and a second adjusting block are provided. The first adjusting block and the second adjusting block are respectively connected to the first clamping device and the second clamping device. Adjusting the distance between the first adjusting block and the second adjusting block adjusts the spacing between the first clamping device and the second clamping device. A connecting block is provided between the first clamping device and the second clamping device, and a pin connects the first clamping device, the connecting block, and the second clamping device from the side. The sheet feeding shaft as a whole or the lower part of the sheet feeding shaft is made of elastic material.

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